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Version 1.9 Build 1488

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quanta.tos - Function

	Package	general
	Module	quanta
	Tool	quanta

convert quantity to string

Synopsis
tos(v, prec)

Arguments

v	in	value
		Allowed:	quantity or string
prec	in	convert precision of value
		Allowed:	integer
		Default:	0

Returns
string

Description
tos converts a quantity to a string with the precision defined with the setformat('prec') (which defaults to 9). If the optional prec argument is set to an integer value greater than 1, that precision is used in the conversion

Example

- print a := dq.quantity('2.56 yd/s')
[value=2.56, unit=yd/s]
- dq.tos(a)
2.56 yd/s 
- a:=dq.quantity(1/7, 'km/s')
- dq.tos(a)
0.142857143 km/s 
- dq.tos(a,2)
0.14 km/s 
- dq.tos(a,20)
0.14285714285714284921 km/s 
- dq.tos(a)   
0.142857143 km/s