e vs InkPlanner

This calculator can be used not only in scientific notation(e.g. 1E-6) but also using engineering multipliers(e.g. p,n,u,m,k,M). Features - Calculations History and reuse it - Calculation history is automatically saved when exit app,can also scroll. - Can use engineering multipliers,6 Special buttons - Four user-defined constant - Four interactive variable - Three buttons can be insert formula - interactive variable can have alias - Functions: √,log,ln,sin,cos,tan,sinh,cosh,tanh,asin,acos,atan,asinh,acosh,atanh,e^x - Built-in Constants:π,bk,q,e0 and Operator　^ - Autocomplete parentheses - ON/OFF function key click sound - Mail transmission function of the calculation history - Built-in Online Help Viewer - Universal App There are also "e-calcFree" feature limited edition.

InkPlanner: Your digital wall calendar for iPad & Apple Pencil. Features: + Clear planning: your entire year at a glance. + Developed for Apple Pencil: Simply enter appointments and notes by hand. + Customized legend: Color-coded legend with five categories. Why did we develop InkPlanner? With InkPlanner, we want to transfer the proven clarity of a physical wall calendar to the digital world. With iPad and Apple Pencil, this feeling can be replicated in the best possible way, leading to more clarity, minimalism and simplicity. What does InkPlanner cost? InkPlanner is available for you to test free of charge. After the trial, you can unlock unlimited entries with a one-time payment. We do not use monthly subscription fees.