TK+1
=v
#1
:n
lambda
:v
.00002
:s
i
:u
cm
:d
nm
:c
wavelength of light (nm, �, �m, cm)
#2
:n
freq
:v
1.499E15
:s
o
:u
Hz
:d
Hz
:c
frequency (Hz)
#3
:n
E
:v
9.932523899999999999E-19
:s
o
:u
Joule
:d
Joule
:c
energy (Joule, erg, eV, kcal/mole)
#4
:n
v
:v
50000
:s
o
:u
cm-1
:d
cm-1
:c
wavenumber (cm-1)
#5
:n
T
:v
5000
:s
i
:u
K
:d
K
:c
Temperature (K, C)
#6
:n
epsilon
:v
.06
:s
i
:c
emisivity
#7
:n
Blambda
:v
.001269985434500378874
:s
o
:u
W/sr/nm/cm2
:d
W/sr/nm/cm2
:c
Spectral radiance (W/sr/nm/cm2)
#8
:n
B
:v
67.67625
:s
o
:u
W/sr/cm2
:d
W/sr/cm2
:c
Total radiance over all wavelengths
#9
:n
peak
:v
579.4
:s
o
:u
nm
:d
nm
:c
Peak wavelength  (nm, �, �m, cm)
#10
:n
d
:v
50
:s
i
:u
cm
:d
cm
:c
distance from source to receptor
#11
:n
h
:v
.2
:s
i
:u
cm
:d
mm
:c
height of effective source
#12
:n
w
:v
.4
:s
i
:u
cm
:d
mm
:c
width of effective source
#13
:n
As
:v
.08
:s
o
:u
cm2
:d
cm2
:c
Area of effective source
#14
:n
Ar
:v
1
:s
i
:u
cm2
:d
cm2
:c
Area of receptor
#15
:n
Er
:v
4.063953390401212397E-8
:s
o
:u
W/nm/cm2
:d
W/nm/cm2
:c
Spectral irradiance at receptor
#16
:n

:s
b
#18
:n
RJ
:v
2585.775
:s
o
:u
W/sr/nm/cm2
:d
W/sr/nm/cm2
:c
Rayleigh-Jeans approximation
#19
:n
exponent
:v
14.38
:s
o
:c
exponent of e in Planck's equation
#20
:n
LambdaT
:v
1000000
:s
o
:u
nm K
:d
nm K
:c
product of lambda and T, nm K
#21
:n

:s
b
#25
:n
nm
:v
200
:s
o
:c
wavelength in nm
#26
:n

:s
b
#27
:n

:s
b
#28
:n

:s
b
=u
#1
:f
cm
:m
1E7
:t
nm
#2
:f
nm
:m
10
:t
�
:c
� = option-shift-A
#3
:f
ppm
:m
1000
:t
ppb
#4
:f
ppm
:m
.00009999999999999999999
:t
%
#5
:f
ml
:m
1000
:t
�l
#6
:f
g
:m
1000000
:t
�g
:c
� = option-m
#7
:f
l
:m
1000
:t
ml
#8
:f
�m
:m
1000
:t
nm
#9
:f
erg
:m
.0000001
:t
Joule
#10
:f
eV
:m
1.6E-19
:t
Joule
#11
:f
J
:t
Joule
#12
:f
cm
:m
1E7
:t
nm
#13
:f
nm
:m
10
:t
�
#14
:f
ppm
:m
1000
:t
ppb
#15
:f
ppm
:m
.00009999999999999999999
:t
%
#16
:f
ml
:m
1000
:t
�l
#17
:f
g
:m
1000000
:t
�g
#18
:f
l
:m
1000
:t
ml
#19
:f
�m
:m
1000
:t
nm
#20
:f
m
:m
100
:t
cm
#21
:f
in
:m
2.54
:t
cm
#22
:f
cm2
:m
100
:t
mm2
#23
:f
eV
:m
23.06
:t
kcal/mole
#24
:f
C
:t
K
:a
273
#25
:f
cm
:m
10
:t
mm
=l
=f
=r
#1
:r
lambda = 1/v
#2
:r
Blambda = epsilon*1.19111E16*nm^-5/(exp(1.438e7/(nm*T))-1)
#3
:r
E = (6.6261E-34)*freq
#4
:r
freq = (2.998E10)/lambda
#5
:r
B=epsilon*1.8047e-12*T^4
#6
:r
peak=2.897e6/T
#7
:r
RJ=1e-7*2*2.998E10*1.38e-23*T/lambda^4
#8
:r
nm=lambda*1e7
#9
:r
exponent=1.438e7/(nm*T)
#10
:r
LambdaT=nm*T
#11
:r
As=h*w
#12
:r
Er=Blambda*As/(d*d)
=p
=t
#1
:v
Vertical
:s
Show
:f
1
:t
""
:u
E
=n
=g
#1
:c
.0000009999999999999999999
:i
10
:v
Yes
:a
Yes
:r
Yes
:h
No
:t
1
%Tv,f,0,1,0,1,0
%Or,f,2,1,0,1,1