Calculator! Voice & Effect by Eric Peng (Universal)
Released: Jun 10, 2011
Version: 1.9.13
Size: 26 MB
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Ranking - Utilities (iPhone)

Ranking - Utilities (iPad)

Calculator! Voice & Effect

Eric Peng
Before 2021, the ad-free paid version will be available for free download on the 1st of each month, and friends who like it are welcome to enjoy the opportunity.

The second most interesting calculator in the world!!

√ Alien, Piano, Animals, Robot, Chinese, English. Up to 39 amazing audio effect.
√ Touch and edit.
√ Great math practices.
√ Most user friendly Calculator.
√ Tip Calculator.
√ Scientific Calculator.
√ Statistic Calculator.

Check other amazing features:

# Color hint, users can use color hint to know command such as 2^n is from x^y or 2^x and can help users to identify some command priority issues, you can choose your favorite color from the setting page.

#Basic functions
- add (+)、minus (-)、multiply (*)、divide (/).
- square root (sqrt).

#Advance functions for scientific calculations
- trigonometric functions: sin、cos、tan, sin^-1、cos^-1、tan^-1.
- hyperbolic functions: sinh、cosh、tanh、sinh^-1、cosh^-1、tanh^-1.
- advanced factorial function supports real number: n!.
- log、ln、log2、x^2、x^3、x^-1、10^x、2^x、e^x、x^y、yroot.

#bracket: easy for grouping your input.
- (、).

# Dedicated panel for trigonometric and hyperbolic functions.

# History supported, you can restore your input from history panel.

# Cache panel for trigonometric and hyperbolic functions.

==== Special Bonus on iPhone/iPod Touch =====

# Tip Calculator, including:
- Tip rate, Split, Tax, Group.

=========iPad SPECIAL Feature ==========

# Advanced functions

- Multiplication
* 1~9, 1~20 Table
* Practices

- Addition practice
* Max 10
* 1~9
* 1~20
* 1~99

- Statics function
* Data array: sort, sum, mean, standard deviation, variance.
* Possion
* NegativeBinomial
* Binomial.
* Hypergeometric


What's new in version 1.9.13
iOS14 tested.
Screenshot #1 (iPhone)
Our verdict: Good
  • + Calculator! Voice & Effect is a highly rated app (4.5-star).
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