# Inverting Summing Amplifier
```circuitjs
$ 64 0.000005 20.712724888983452 50 5 50 5e-11
R 128 224 64 224 0 1 200 5 0 0 0.5
R 128 304 64 304 0 2 40 5 0 0 0.5
r 128 224 176 224 0 1000
r 128 304 176 304 0 1000
w 176 224 176 304 0
w 176 304 240 304 0
a 240 320 352 320 8 15 -15 1000000 0.000011958947409199515 0 100000
g 240 336 240 384 0 0
w 240 304 240 240 0
r 240 240 352 240 0 1000
w 352 320 352 240 0
O 352 320 416 320 0 0
o 11 64 0 4098 10 0.1 0 1
```

# Non-Inverting Summing Amplifiers

```circuitjs
$ 64 0.000005 20.712724888983452 50 5 50 5e-11
R 128 224 64 224 0 1 200 5 0 0 0.5
R 128 304 64 304 0 2 40 5 0 0 0.5
r 128 224 176 224 0 1000
r 128 304 176 304 0 1000
w 176 224 176 304 0
w 176 304 240 304 0
a 240 320 352 320 8 15 -15 1000000 0.000011958947409199515 0 100000
g 240 336 240 384 0 0
w 240 304 240 240 0
r 240 240 352 240 0 1000
w 352 320 352 240 0
O 352 320 416 320 0 0
o 11 64 0 4098 10 0.1 0 1
```