iDO Calculator Plus Free

iDO calculator is a powerful smart calculator with mixed case to customize your digital life and scientific needs standardly ！It's the perfect tool to solve your daily calculation.
A prefect Calculator, based on iphone's users experiences and MIUI's style.Exact calculate,exactly calculations,correct calculation.
The new features:
1、Increase the conversion between degree and radian for exacter calculate.
2、Increase the conversion of number results into words for writing a personal check.
3、Increase results copy.
Memory consumption: 2.6M, start up so quickly.
Applicable occasions:
-House loan calculate
-Shopping budget calculate
-Dining fee
-All kind of charges
-A calculator in upper primary mathematics,juior mathematics,senior mathematics.
-A calc programming for chemistry,biology,physics,math,mathematics and the life sciences.
All kinds of brand's android phone, such as Intex，Sony，LG，Samsung Galaxy Note，Huawei，ZTE，Lenovo，TCL-Alcatel，Xiaomi，Moto X，Motorola，HTC，Karbonn，Lava， Gionee，Nokia, Panasonic, Maxx, ASUS, Nexus, OPPO, VIVO, Dell, BlackBerry, Micromax, Acer, HP, Toshiba, Gigabyte
iDOTOOLS series products win Du Battery Saver & Du Speed Booster recommended

THE KEY FEATURES OF CALCULATOR:
-Arithmetic,four fundamental opreations.
subtraction,addition,multiplication,division.
Add,subtract,multiply,divide.
3 × 2÷ 1+ 6- 9=3 or 3*2/1+6-9=3
-trigonometric function.sin,cos,tan,cot
sinus cosinus tangens
sin30°=1/2=0.5
cos90°=1/2=0.5
tan45°=1
cot45°=1
-logarithm,logarithmic calculate.log,lg,ln,e
ln natural logarithm is the logarithm to the base e
lg10=1 lne=1
-conditions in parentheses are evaluated first
3 × 2÷ 1+ （6- 9）=3
-square root:√4=2
-power calculate:2^3=8
-extraction of a root
-factorial: 4!=24 , 6!=1*2*3*4*5*6=720
-decimal point: 0.2+10.8=11
-pi constant,π
-percentage
-history stores the last 50 results
-setting precision the expression
-no ads，no advertisements
-percentage
-1 mode:standard calculator
-2 mode:scientific Calculator

IF YOU LIKE THIS APP PLEASE RATE IT.
IT MOTIVATES US TO FURTHER IMPROVE THE APP AND WORK ON NEW INNOVATIVE FEATURES.
THANK YOU IN ADVANCE

Join G+ group: https://plus.google.com/u/0/communities/113917519042014181865
Facebook: https://www.facebook.com/idolockscreen
Email: feedback@idotools.com