Hicalc is online platform to calculate expression quickly or create program with a simple, intuitive interface and share them with other people. If you have some calculation requests, you can publish a project and let other people do a program for you.

Hicalc supports two methods, Expression Calculation and Program Calculation.
With Expression Calculation, you can calculate an expression immediately, and you can use arithmetic, logic, bitwise and relation operations in your expressions.
With Program Calculation, you can create program with almost all C# 4.0 syntax such as if, switch, while, for, foreach, etc., store and calculate your program anywhere at any time, share and Search Programs in public library.