XCalc / free download

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About

I have written this calculator with 2d and 3d plot function as student project. Feedback with comments is welcome. You can contact me at peirick AT gmail.com

The source code can be found on Sourceforge

Help

To input numbers use the numbers on your telephone, "#" inputs a point. To input operators or functions press "*". The position of the functions on the screen maps to the position on your mobile phone keyboard.

You can draw a graph if the formula contains an "x" or "y" and your press Calc.

To navigate in the graph press "2" and "8" for up and down and press "4" and "6" for left and right. Or press the corresponding up, left right, down key of your mobile.

To scale the graph on the y-axis press "3" for zoom out and "9" for zoom in. For zooming on the x-axis press "1" and "7". It is also possible to change the scale of the axis in the options menu.

To leave the graph window press "*" again.

The functions sin, cos, tan, ... uses as default radians as input values. You can change the trig-function mode in the options menu to radians, degrees or grad.

Version History

1.6.9

Graph plotting can now be interrupted
Progress of plotting is shown
More functions added
+ and - can be selected through up and down keys

1.6.5

The History can now be accessed without a numeric keypad
Minor bug fixes

1.6.0

Colors of the interface can be changed through choosing a Theme in the options menu
Labeling of the axis’ can be turned on or off in the options menu

1.5.5

History of formulas is shown in an extra menu
Old formulas can only be chosen from the history menu
Caching to speed up drawing of a graph during scaling

1.5.0

History of formulas is saved
Possibility to choose an old formula with up and down keys

1.4

Added missing e function
Added functions P and C for Permutations and Combinations
Up, down, left, right keys can be used to navigate in the graph window.
Added support for Sony Ericson clear key
Now it’s possible to switch with down key to privios menu

1.3.4

Changed Math menu to support touchscreen phones (only tested on an emulator, feedback is welcome)
Changed structure of Math menu
Number of Points to draw could be set

1.3.2

Width and Height of the Graph can be set in options menu
There can be chosen between Rad, Deg or Grad mode for trigonometric functions

1.3.1

Speed optimisations

1.2.0

First public version

This calculator contains an Easter egg :)

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Reviews

Feature suggestions (6)

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10/10 - Nokia 2610

On 2009 Apr 26 By Zeerak Ali

It's been of tremendous help for me while studying and has come to my rescue at many places. Million thanks to the authors.

8/10 - Samsung SGH G600

On 2009 Jan 27 By iBro from Indonesia

10/10 - Samsung SGH I607

On 2008 Nov 11 By Manny Peter

WOW!!! I can not believe how well the functions work on my SGH-i907 Samsung EPIX TM phone...the creator of this graphing calculator did an exceptional job. All the functions work perfectly. It's like having a graphing calculator and scientific functions at the grasp of your hands. It freekin rocks man!!! Thanks so much to the developer..you're awesome...i look forward to seeing more of your work and you make it free to the public...how much better can it get...

10/10 - Sony-Ericsson W200i

On 2008 Oct 2 By jules

Dude, this is great. The SE calc is pure shit but this one is great. Easy to use and very useful.. and KISSed! Thanks for this app and I hope you keep upgrading it...

10/10 - Sony-Ericsson P1i

On 2008 Jul 3 By Renato

The best software for mobile phones. Wery useful, not commercial, running greath, real scientific calculator!! All applications should look like this. 15 out of 10 for this student project

9/10 - Nokia 3500

On 2008 May 9 By LUIS

excellent calculator have a lot of good thing the only bad is when you use something like 1/x but is great job thanks peirick!!! excelente calculadora me funciono perfectamente excepto para cosas como 1/x por lo demas esta buenisima!!

9/10 - Nokia 6131

On 2008 Apr 8 By daniel

10/10 - Nokia 6300

On 2008 Mar 25 By Roderick

Awesome!!!!!!!!!! man keep on it!!

10/10 - Sony-Ericsson K750i

On 2008 Feb 9 By TEODOR BOCHEV

GREAT, THANK YOU VERY MUCH ! WE ARE WAITING FOR THE NEXT VERSIONS

10/10 - Nokia 6300

On 2008 Feb 3 By Nikola

great job! This is such an application. Congratulations, it helps me a lot.

10/10 - Nokia 3155

On 2008 Jan 31 By Chaerun

Cool... This applicatins help me to finish my exam last week...

Developer response
congratulations :)

10/10 - Sony-Ericsson K800i

On 2008 Jan 29 By Milos

I'm breathless!! Tobias, keep up the good work!

10/10 - Sony-Ericsson K300

On 2007 Dec 20 By ahmed

10/10 - Sharp GX17

On 2007 Dec 18 By Anas

thanks a lot how can i make the graphe of x=1/y² in this application?

Developer response
Just type 1/x^2

10/10 - Siemens S55

On 2007 Dec 8 By XCalc

wow! incredible software for my mobile phone. and that's all in 30 KB!

9/10 - Sony-Ericsson K750

On 2007 Nov 29 By gosg from Mexico

9/10 - Nokia 7210

On 2007 Nov 23 By Ace from Philippines

Useful and easy to use

8/10 - Sony-Ericsson W710i

On 2007 Nov 20 By jose morales from colombia

i like me the aplicationes new

9/10 - Motorola ROKR E6

On 2007 Nov 15 By Johannes from Germany

Thanks, the program is very useful, though I don't understand how to use "intersection, inflection, differentiation (=derive?) , integration" Could you please explain me? And is it possible to draw two 2d functions in one window to calculate where they intersect in order to solve an equation?

8/10 - Nokia 6030

On 2007 Oct 22 By Santo from Indonesia

It's good but still perfect yet.

Supported Devices

Alcatel: One Touch 557, One Touch 557a, One Touch 735, One Touch 756, One Touch C550, One Touch C552, One Touch C552a, One Touch C750, One Touch S853

Amoi: 8512

Asus: P525

Audiovox: SMT 5600

BenQ: A520, C30, EF51, P30, P31, P50, S82

BenQ-Siemens: CL71, E61, E71, E81, EF91, EL71, S68, S81, S88, SL91

BlackBerry: 6220, 6230, 6280, 6720, 7100, 7100i, 7130, 7130e, 7210, 7230, 7250, 7280, 7290, 7510, 7520, 7730, 8100, 8120, 8130, 8220, 8300, 8310, 8320, 8330, 8350, 8700, 8703e, 8705, 8707, 8800, 8820, 8830, 8900, Bold 9000, Storm 9500, Storm 9530

CECT: A1000

Cingular: Cingular 2125, Cingular BlackJack

Dopod: Dopod 515, Dopod 557w, Dopod 565, Dopod 575, Dopod 585, Dopod 586w, Dopod 595, Dopod C720W

Fly: SX210

HP: iPAQ 510 Mobile Messenger

HTC: HTC MTeoR, HTC P3300, HTC P3600, HTC S310, HTC S620, HTC S650, HTC S710, P3350, P3400, P3470, P4350, Touch, Touch 3G, Touch Diamond, Touch Dual, Touch HD, Touch Viva, TyTN II

Huawei: C5600, U526, U626

I-mobile: 510

LG: 8380, B2000, B2050, B2070, B2100, B2150, C1100, C1150, C2000, C2500, C2600, C3100, C3300, C3400, CB630, CG225, CT810 Incite, CU320, CU400, CU500, CU720, CU915, CU920, F2400, G1600, G1610, G4015, G7100, HB620T, KC550, KC910, KE770, KE800, KE820, KE850, KE970, KE990, KF300, KF310, KF390, KF600, KF700, KF750, KF755, KF900 Prada II, KG110, KG195, KG200, KG220, KG225, KG240, KG245, KG290, KG300, KG320, KG800, KG810, KM500, KM900 Arena, KP202, KP220, KP500, KS10 Joy, KS20, KS360, KT520, KT610, KU250, KU380, KU385, KU450, KU580, KU800, KU830, KU950, KU970, KU990, L600v, LG KE500, LG-KE600, LG550, LX550, LX570, M4410, MG100a, MG105, MG220, MX510, P7200, S5200, T5100, Trax CU575, TU500, TU515, TU575, TU915, U250, U300, U310, U370, U400, U8100, U8110, U8120, U8130, U8138, U8180, U8210, U8290, U830, U8330, U8360, U8380, U8500, U8550, U880, U890, U900, U960, U970 Shine, U990 Viewty, V9000, VX9400, VX9900

LG Electronics: LG-B2060

Lenovo: V800

Mitac: Mio 8390, Mio 8860, Mio 8870

Motorola: A1200, A760, A768, A780, A835, C155, C168, C257, C261, C290, C350, C350M, C380, C385, C390, C450, C550, C650, C975, E1000, E1070, E365, E380, E398, E398B, E398i, E550, E680, E680i, E770, E770-Vodafone, E790, E8 Rokr, E815, i580, i830, i850, i930, IC402, IC502, IC902, K1, K3, KZRK K1, L2, L6, L6i, L7-Vodafone, L71, Motoming A1600, MOTOROKR Z6m, Motorola Q, Motorola Q Plus, Motozine ZN5, MPX220, PEBL U3, PEBL U6, Q9H, Razr V3, RAZR V3a, RAZR V3m, Razr V3x, RAZR V3xx, RAZR V3xxv, RAZR V6, RAZR2 V8, RAZR2 V9, RAZR2 V9m, RIZR Z10, RIZR Z8, ROKR E1, ROKR E2, ROKR E6, ROKR Z6, SLVR L7, SLVR L7e, SLVR L7i, SLVR L9, T720, U9, V1050, V1075, V1100, V171, V177, V180, V186, V188, V190, V191, V195, V197, V220, V235, V300, V303, V360, V360-Vodafone, V365, V3c, V3i, V3m, V3r, V3t, V3v, V3x-Vodafone, V400, V500, V505, V525, V525M, V535, V545, V547, V550, V551, V555, V557, V600, V600i, V620, V635, V690, V80, V975, V980, V980M, W220, W315, W375, W385, W490, W510, Z3, Z9

NEC: e616, N600

Nokia: 1680c, 2330 classic, 2355, 2600 classic, 2610, 2626, 2630, 2650, 2660, 2680, 2760, 2855, 2855i, 2865, 2865i, 3100, 3105, 3109 classic, 3110c, 3120, 3120 classic, 3125, 3152, 3155, 3155i, 3200, 3220, 3230, 3250, 3300, 3410, 3500, 3510, 3510i, 3530, 3555, 3586i, 3587, 3595, 3600, 3600 slide, 3610 Fold, 3620, 3650, 3660, 5000, 5070, 5100, 5130, 5140, 5140i, 5200, 5220 XpressMusic, 5300, 5310 XpressMusic, 5320 XpressMusic, 5500, 5610, 5630 Xpress Music, 5700, 5800 XpressMusic, 6010, 6015, 6020, 6021, 6030, 6060, 6060v, 6061, 6070, 6080, 6085, 6086, 6100, 6101, 6102, 6102i, 6103, 6108, 6110 Navigator, 6111, 6120, 6120c, 6121 classic, 6124 classic, 6125, 6126, 6131, 6131 NFC, 6133, 6136, 6151, 6152, 6155, 6165, 6165i, 6170, 6200, 6210 Navigator, 6212 classic, 6220, 6220 Classic, 6225, 6230, 6230i, 6233, 6234, 6235, 6235i, 6255, 6255i, 6260, 6263, 6265, 6265i, 6267, 6270, 6275i, 6280, 6288, 6290, 6300, 6301, 6303 classic, 6310i, 6500c, 6500s, 6555, 6585, 6600, 6600 slide, 6610, 6610i, 6620, 6630, 6650, 6651, 6670, 6680, 6681, 6682, 6700 classic, 6708, 6800, 6810, 6820, 6822, 7070, 7100 Supernova, 7200, 7210, 7210 Supernova, 7250, 7250i, 7260, 7270, 7310 Supernova, 7360, 7370, 7373, 7390, 7500, 7510 Supernova, 7600, 7610, 7610 Supernova, 7650, 7710, 7900 prism, 8600 Luna, 8800, 8800 Arte, 8800 Sirocco, 8910i, 9210, 9290, 9300, 9300i, 9500, E50, E51, E55, E60, E61, E61i, E62, E63, E65, E66, E70, E71, E75, E90, N-Gage, N-Gage QD, N70, N70-1, N71, N72, N73, N75, N76, N77, N78, N79, N80-1, N81, N81 8GB, N82, N85, N86, N90, N91, N92, N93, N93i, N95, N95 8GB, N96, N97

O2: Ice

Orange: SPV, SPV C100, SPV C500, SPV C550, SPV C600, SPV C700, SPV e100, SPV E200

Panasonic: A210, SC3, VS2, VS3, VS6, X200P, X400, X400P, X500, X70

Pantech: C530 Slate, PG-1400, PG-1410, PG-C300

Philips: 568, 588, 755, 756, 766, 768, 960, S890, S900

QTEK: QTEK 7070, QTEK 8010, QTEK 8020, QTEK 8080, QTEK 8100, QTEK 8300, QTEK 8310, QTEK 8600, QTEK 9000, QTEK 9100, QTEK S100

Qtek: 8100, 8500

RoverPC: M1

Sagem: MY 302X, MY 301X, MY 400V, MY 400X, MY 401C, MY 401X, MY 401Z, MY 405X, MY 419X, MY 421Z, MY 501C, MY 501X, MY 511x, MY 600v, MY 600x, MY 700X, MY 850C, MY C4-2, MY C5-2, MY C5-2 Vodafone, MY C5-3, MY V-55, MY V-56, MY V-65, MY V-75, MY V-76, MY V-85, MY W-7, MY X-4, MY X-5-2T, MY X-6, MY X-7, MY X-8, MY X5-2, MY X5-2M, MY X6-2, MY Z-5, my411X, myX5-2v, Sagem myS-7

Samsung: A717, A867 Eternity, B2700, F480, GT C5220, GT M7500, GT S3310, GT S5233, GT S5603, GT S7330, GT S7350, GT-M8800 Pixon, i300, i320, i320N, i8510 INNOV8, Instinct M800, M3510 Beat, M7600, S5230, S5600, S7220 Ultra, s8300, SCH A870, SGH A411, SGH A412, SGH A551, SGH A561, SGH A657, SGH A701, SGH A706, SGH A707, SGH A711, SGH A727, SGH A736, SGH A737, SGH A747 SLM, SGH A777, SGH A801, SGH A821, SGH A827, SGH A837, SGH A877, SGH C100, SGH C100G, SGH C130, SGH C140, SGH C160, SGH C170, SGH C200, SGH C207, SGH C207L, SGH C210, SGH C230, SGH C260, SGH C300, SGH C400, SGH C406, SGH C417, SGH D407, SGH D410, SGH D500, SGH D500C, SGH D500E, SGH D510, SGH D520, SGH D600, SGH D600E, SGH D720, SGH D800, SGH D807, SGH D820, SGH D830, SGH D836, SGH D840, SGH D880, SGH D900, SGH D900i, SGH D908, SGH D980, SGH E200, SGH E210, SGH E250, SGH E300, SGH E310, SGH E310C, SGH E315, SGH E316, SGH E330, SGH E330N, SGH E340, SGH E340E, SGH E350, SGH E350E, SGH E360, SGH E370, SGH E376, SGH E380, SGH E388, SGH E390, SGH E420, SGH E490, SGH E500, SGH E530, SGH E568, SGH E570, SGH E590, SGH E600, SGH E620, SGH E630, SGH E630C, SGH E690, SGH E700, SGH E710, SGH E715, SGH E720, SGH E728, SGH E730, SGH E736, SGH E740, SGH E760, SGH E770, SGH E780, SGH E788, SGH E800, SGH E808, SGH E810, SGH E820, SGH E830, SGH E840, SGH E870, SGH E878, SGH E890, SGH E898, SGH E900, SGH E950, SGH F110, SGH F270, SGH F330, SGH F338, SGH F400, SGH F408, SGH F488, SGH F490, SGH F500, SGH G400, SGH G600, SGH G800, SGH G808, SGH G810, SGH i200, SGH i300, SGH I320, SGH i450, SGH i550, SGH i560, SGH i600, SGH I620, SGH i640, SGH i710, SGH i780, SGH i900, SGH J165, SGH J200, SGH J208, SGH J400, SGH J600, SGH J700, SGH J750, SGH J800, SGH L170, SGH L760, SGH L768, SGH L770, SGH L810, SGH L811, SGH M110, SGH M600, SGH P200, SGH P270, SGH P300, SGH P310, SGH P400, SGH P510, SGH P777, SGH P850, SGH P900, SGH P906, SGH P910, SGH P920, SGH P960, SGH S300, SGH S300M, SGH S500, SGH T209, SGH T219, SGH T309, SGH T319, SGH T329, SGH T509, SGH T509S, SGH T519, SGH T609, SGH T619, SGH T629, SGH T636, SGH T639, SGH T729, SGH T809, SGH T929, SGH U600, SGH U700, SGH U708, SGH U800, SGH U900, SGH U908, SGH V200, SGH X100, SGH X100A, SGH X105, SGH X120, SGH X140, SGH X160, SGH X200, SGH X210, SGH X300, SGH X430, SGH X450, SGH X460, SGH X480, SGH X486, SGH X490, SGH X495, SGH X500, SGH X506, SGH X507, SGH X510, SGH X520, SGH X530, SGH X540, SGH X600, SGH X608, SGH X610, SGH X620, SGH X620C, SGH X630, SGH X636, SGH X640, SGH X640C, SGH X648, SGH X650, SGH X660, SGH X670, SGH X680, SGH X686, SGH X700, SGH X820, SGH X830, SGH Z107, SGH Z110, SGH Z140, SGH Z170, SGH Z220, SGH Z230, SGH Z240, SGH Z248, SGH Z300, SGH Z370, SGH Z400, SGH Z400V, SGH Z500, SGH Z510, SGH Z530, SGH Z540, SGH Z560, SGH Z630, SGH Z720, SGH ZM60, SGH ZV10, SGH ZV30, SGH ZV40, SGH ZV50, SGH ZV60, SGH-A767, SGH-i607, SGH-L700, SGH-P520, SGH-V820L, SPH A580, SPH A640, SPH A660, SPH A680, SPH A740, SPH A900, SPH A900P, SPH A920, SPH A940, SPH A960, SPH M500, SPH M510, SPH M610, SPH M620, T919 Behold, Z130, Z150

Sanyo: S750, SCP-6600

Sendo: X

Sharp: 550SH, 770SH, 880SH, 902SH, 903SH, GX-L15, GX10, GX10i, GX15, GX17, GX20, GX22, GX25, GX29, GX30, GX30i, GXT15, TM100, TM150

Siemens: A31, A60, A65, A75, AL21, AP75, AX72, AX75, AX76, C55, C60, C62, C65, C65-Vodafone, C66, C72, C75, CF62, CF75, CF76, CX65, CX70, CX75, EF81, M50, M55, M56, M65, M75, MC60, ME75, MT50, S55, S57, S65, S75, SK65, SL42, SL45, SL55, SL65, SL75, ST60, SX1

Sony-Ericsson: C510, C702, C901, C902, C903, C905, D750, D750i, F305, F500i, G502, G700, G705, G900, J200i, J210i, J220i, J230i, J300a, J300i, K200i, K300, K300a, K300i, K310, K310a, K310i, K320i, K330, K500i, K508, K508c, K508i, K510a, K510i, K530, K530i, K550, K550i, K600, K600i, K608, K608i, K610, K610i, K618, K618i, K630, K660i, K700, K700c, K700i, K750, K750i, K770, K790a, K790i, K800, K800i, K800iv, K810i, K818, K850i, K858, M600i, P1i, P800, P900, P910, P910a, P910i, P990i, S302, S500i, S700, S700i, S710, T226, T230, T250i, T290a, T290i, T610, T616, T630, T637, T650i, T658, T68, T700, V600, V600i, V630i, V640, V800, W200a, W200i, W300, W300i, W302, W350, W380, W395, W550, W550c, W550i, W580i, W595, W600c, W600i, W610i, W660i, W700i, W710i, W760, W800, W800c, W800i, W810i, W810iv, W830i, W850i, W850iv, W880i, W890i, W900i, W902, w908, W910i, W950i, W958, W960, W980, X1 Xperia, Z1010, Z200, Z300i, Z310i, Z310iv, Z320, Z500, Z500a, Z520a, Z520i, Z530i, Z550a, Z550i, Z555, Z558i, Z600, Z610i, Z710i, Z750, Z770, Z780, Z800

Spice: D-90

T-Mobile: MDA Dash, MDA Mail, SDA, SDA (US name), SDA II, SDA Music

Tatung: M1

Toshiba: G500, G710, G810, G900, TS803, TS921

VK Mobile: VK4000

Vodafone: v1210, v1240, VDA II, VDA IV

ZTE: F232, F858, F866

i-mate: Smartphone2, SP Jas, SP3, SP3i, SP5, SP5m, SPL