Update: new version v126.96.36.199 is available in Android Market. It comes with several improvement and bug fixes:
Automatically use the last result as the first operand if an operator is the first input in normal mode. For example, after calc an expression, 2+3, we get 5 as the result. Now the expression box is empty and user press a + button directly, the last result 5 will be added as the first operand and the expression looks like: 5+. If there is no last result, 0.0 will be added.
Minus sign is supported. Now user can press - to add a minus sign before an operand. The following expression is supported now: -5+3 In order to add the last result for -, user need to long press the – button.
The default n-th of a root operator is a Square root. In the earlier version, the n-th of a root operator can not be omitted. It must be written as x√y. Now if the n-th (x) is absent, the operator will be recognized as a Square root operator. It is easier for some common usage.
In some scenarios, you need to do a serial calculations that only the numbers are changed, but you have to input the whole expression again and again.
You need a calc supporting variables which represent the numbers, so every time, you only need to input the numbers. You needn't to remember the formulas any more.
DaCalc is such a formula calculator. It supports composing a new formula, loading, editing, importing and exporting.
A new version is available on Android Market. Many bugs are fixed and new features are added.
1. removed the ads in the main ui
2. 2 can be omit in expression like 2√x
3. long click on delete can empty the edit box
4. click "- button" will add "-" only, long click "- button" will add the last result and "-".
5. fixed the information for import and export
6. result cleared after load a formula
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