Archive for the ‘Calculators’ Category


Graph It!

Tuesday, February 8th, 2011

Graph It! provides the user with a smooth and fast function graphing environment that utilizes the phone’s processor for fast calculations.

Features:
Graph unlimited functions.
Customize display with nearly unlimited colors.
Exponentially-scaling zoom.
Touch- or button-controlled panning.
Essential graphing calculator functions: tracing, dy/dx, roots, extrema (max/mins) and intersections, all controlled by multi-touch! (See video for
example)
Populate a scrolling table for exact x-values and their matching y-values.
Shows multiple points of interest at once (unlike a normal graphing calculator’s one point at a time).
Persistent graphs stored in database (functions stay after exit).
Requires no suspicious permissions.
Fully tested on Droid X.

Supported operations:
+, -, /, *
natural log (written as log)
exponents (^)
sin, cos, tan and their inverses
absolute value
constants: e^x (exp(x)), pi

Instructions:
1) Click “Functions” button to edit functions you want to graph.
2) Choose a color by clicking the white square.
3) Click tools button to run graphing calculations.
4) Touch the screen with two fingers to begin a calculation between them.
5) When done with a calculation, click tools button again.

Tips:
Use a light color for easy readability of calculated values.
Refer to “Syntax” in the tools menu for equation entrance guidelines.

Important:
Expr lexer and parser used with permission:
Copyright 2002 by Darius Bacon .
Uses Android Color Picker library under Apache License 2.0.

Please email any suggestions to kingapps@bigfoot.com.

Developer name: King Apps

App size in kb: 73

Available in Android Market: true

Graphit_functionEnter.png (36 KB)

graphit_intersect.png (35 KB)

Cool Calculator

Friday, December 10th, 2010

A simple calculator with cool backgrounds. More backgrounds will be continuously added.

Developer name: Macrosoft

App size in kb: 1024

Available in Android Market: true

coolcalculator_sh_1.png (37 KB)

coolcalculator_sh_2.png (41 KB)

VoIP Bandwidth Calculator

Sunday, April 25th, 2010

This app is for IT Professionals and will calculate the amount of bandwidth VOIP calls using G.711 or G.729 need. You can specify the sample size for each packet and the number of simultaneous calls. If you give it your max bandwidth for a span, it can tell you the maximum number of calls it can handle.

Developer name: Facade Software

App size in kb: 11

Available in Android Market: true

Poker Odds Evaluator

Saturday, April 24th, 2010

Choose players’ hole cards and optionally some of the board cards and get winning probability and equity for each player.

Currently supports Texas Holdem only.

Uses code from Steve Brecher.

Developer name: Jacek Fedorynski

App size in kb: 32

Available in Android Market: true

Calculator ’sToolbox

Saturday, June 27th, 2009

cal761Developer: M STAR LLC

Calculator Toolbox provides several handy calculators, including percentage calculator, square footage calculator, fraction calculator, volume calculator, standard deviation calculator, probability calculator, compound interest calculator…

Price on Android Market: $4.99

gbaCalc Decimal Calculator

Saturday, June 27th, 2009

calc1Developer: GBizApps.com

Decimal calculator inspired by printing calculators. All operations are shown in a scrolling window like on a paper roll. Decimal fixed point with rounding, percentage and tax calculations suited for commercial use. RPN-like operation mode. Operations can be edited, saved to a file or sent by email.

Price on Android Market: €1.35

Percentage Calculator

Saturday, June 27th, 2009

calccDeveloper: M STAR LLC

Percentage Calculator allows you to Quickly and easily find the percentage of any number. It also allow you to calculate the percentage change from one number value to another.

Price on Android Market: $1.99

Loan & Mortgage

Saturday, June 20th, 2009

8210795206243205580Developer: SpeedyMarks

This loan & mortgage calculator helps to find out how much you will have to monthly for a mortgage or a loan with a fixed interest rate.

You can calculate any value in the loan equation, which makes it the perfect tool for doing “what-if” analysis.

Price on Android Market: $0.99

Ticker Tape Calculator

Sunday, June 14th, 2009

calcDeveloper: Daniel Roozen

Same as Free Ticker Calculator: Buy to support development.

Simple calculator, but keeps a ticker tape that saves all your calcs. More features than built in calculator, like memory buttons.

Feature:

  • Optional main screen ticker tape
  • Email ticker tape to yourself
  • Scientific Panel
  • Memory Buttons

Price: $0.99 on Android Market

Tip Calculator

Sunday, June 14th, 2009

tip-calcDeveloper: www.saweet.com

Tip Calculator Free Edition

Tipping Calculator that allows you to easily perform what other Tip calculators cannot, including the ability to:

  • Display your preferred Currency Symbol
  • Calculate & Validate Tax Percentage
  • Indicate the Number in your group
  • Split your Bill Equally among participants

For free on Android Market