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5.1.2  Computing with units

Xcas performs usual arithmetic operations (+, -, *, /, ^) on unit objects. Different units may be used, but they must be compatible for + and -. The result is an unit object

Input :

1_m+100_cm

Output :

2_m

Input :

100_cm+1_m

Output :

200_cm

Input :

1_m*100_cm

Output :

1_m^2

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