The International System of Units (SI) - Maple Programming Help

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The International System of Units (SI)

 

Description

SI Base Units

SI Derived Units with Special Names and Symbols

Examples

Description

• 

The International System of Units (SI) has the meter, kilogram, second, ampere, kelvin, mole, and candela as its base units.

• 

When used in conjunction with the UseSystem command, the SI system sets the following units for the given dimensions.

Dimension Name

Unit Name

 

 

length

meter

mass

kilogram

time

second

force

newton

pressure

pascal

energy

joule

power

watt

electric capacitance

farad

electric charge

coulomb

electric conductance

siemens

magnetic inductance

henry

electric potential

volt

electric resistance

ohm

illuminance

lux

luminous flux

lumen

magnetic flux

weber

magnetic flux density

tesla

plane angle

radian

solid angle

steradian

SI Base Units

Dimension Name

Unit Name

Unit Symbol

 

 

 

length

meter

m

mass

kilogram

kg

time

second

s

electric current

ampere

A

thermodynamic temperature

kelvin

K

amount of substance

mole

mol

luminous intensity

candela

cd

SI Derived Units with Special Names and Symbols

Dimension Name

Unit Name

Symbol

In Terms of

 

 

 

Other SI Units

 

 

 

 

angle, plane

radian

rad

1 = m/m(radius)

angle, solid

steradian

sr

1 = m^2/m(radius)^2

Celsius temperature

degree[Celsius]

degC

K

electric capacitance

farad

F

C/V

electric charge

coulomb

C

A*s

electric conductance

siemens

S

A/V

electric inductance

henry

H

Wb/A

electric potential

volt

V

W/A

electric resistance

ohm

Omega

V/A

energy (work)

joule

J

N*m

force

newton

N

kg*m/s^2

illuminance

lux

lx

lm/m^2

luminous flux

lumen

lm

cd*sr

magnetic flux

weber

Wb

V*s

magnetic flux density

tesla

T

Wb/m^2

power

watt

W

J/s

pressure (stress)

pascal

Pa

N/m^2

Examples

Notes: 

– 

To enter a unit in 2-D Math input, select the unit from the appropriate Units palette. If the unit you want is not there, select unit and then enter the unit.

– 

In Maple 2015 and later versions, the double brackets around a unit are not displayed unless you are editing the unit.

withUnits[Standard]:

Units[UseSystem]'SI'

5'tonne''ft''s'

5tfts

(1)

combine,'units'

1524kgms

(2)

'h'

127300N

(3)

'cm'2

127003Pa

(4)

See Also

Units

Units/Index

Units/Standard

Units/Systems

Units[UseSystem]

 


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