--- PrimeCalc feature ---
■ Normal arithmetic operation (×, /, +, -) is available.
■ prime: integer calculation
(Division remainder ÷, prime factorization p) can be done.
(You can also exponentiate.)
■ auto: Automatic calculation, memory storage, history recording is possible.
■ global: Digit display of countries around the world is possible.
（千、万、億、兆、京、垓、・・・）
■ iPhone / iPad is available. Free.
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Caution) In case of large number, calculation error etc. may occur. Please use it together with other calculator.
If you have comments, questions, etc., please email or bulletin board.
http: //www.eonet.ne.jp/~treechart/