# Equation Calculations - Canon X Mark I Pro User Instruction

P(t): Probability below a
given point x
P(t)=
Q(t): Probability below a
given point x and above
the mean
Q ( t ) = 0.5 – R ( t ),
R(t): Probability above a
given point x
R ( t ) = 1 – P ( t ),
Example: Calculate the probability distribution P(t) for the sample
data: 20, 43, 26, 46, 20, 43, when x = 26. ......

## Equation Calculations

Press
to enter the equation mode; press
for next / previous pages.
Press [
or [
P(t)
1 t – u
1
2
– (
)
e
2
dt ,
2
Q(t)
R(t)
EX #43
/
]
] key
Equation Item
[1] 2 unknow EQN
Simultaneous Linear Equations with two unknowns
[2] 3 unknow EQN
Simultaneous Linear Equations with three unknowns
[3] 4 unknow EQN
Simultaneous Linear Equations with four unknowns
[5] Cubic EQN
Cubic Equation, degree 3 equation
[6] Quartic EQN
Quartic Equation, degree 4 equation
Simultaneous Linear Equations
Simultaneous Linear Equations with Two Unknowns:
a
x + b
y = c
1
1
a
x + b
y = c
2
2
Simultaneous Linear Equations with Three Unknowns:
a
x + b
y + c
1
1
a
x + b
y + c
2
2
a
x + b
y + c
3
3
Simultaneous Linear Equations with Four Unknowns:
a
w + b
x + c
1
1
a
w + b
x + c
2
2
a
w + b
x + c
3
3
a
w + b
x + c
4
4
Example: Solve the simultaneous equation with three
unknowns:
19
Description
1
2
z = d
1
1
z = d
2
2
z = d
3
3
y + d
z = e
1
1
1
y + d
z = e
2
2
2
y + d
z = e
3
3
3
y + d
z = e
4
4
4
2x + 4y – 4z = 20
2x – 2y + 4z = 8
EX #44
5x – 2y – 2z = 20 ......