Build Neural Network With Ms Excel New [VERIFIED]

Alternatively, you can use the =PY function to manually write code that defines layers ( nn.Linear , nn.ReLU ) and trains the model using data referenced directly from your Excel ranges. 2. The Traditional Way: Building from Scratch (No-Code)

=SUM((F1-Actual_Output)^2)

But simpler: extend InputData to include new row and recalc. build neural network with ms excel new

In a separate section of your sheet (e.g., columns E through I), build tables for your weights ( ) and biases ( A matrix connecting 2 inputs to 2 hidden neurons. W11cap W sub 11 ): 0.5 W12cap W sub 12 ): -0.2 W21cap W sub 21 ): 0.1 W22cap W sub 22 ): 0.6 Hidden Layer Biases ( B(1)cap B raised to the open paren 1 close paren power ): B1cap B sub 1 ): 0.1 B2cap B sub 2 ): 0.2 Output Layer Weights ( W(2)cap W raised to the open paren 2 close paren power ): A matrix connecting 2 hidden neurons to 1 output neuron. W13cap W sub 13 ): 0.7 W23cap W sub 23 ): -0.4 Output Layer Bias ( B(2)cap B raised to the open paren 2 close paren power ): B3cap B sub 3 ): -0.3 Phase 2: Forward Propagation

matrix for inputs to hidden layer. Place this in cells F2:G3 . A vector for the hidden layer. Place this in cells F4:G4 . Weights 2 ( W(2)cap W raised to the open paren 2 close paren power ): A Alternatively, you can use the =PY function to

If you are working with even larger networks, , but note that 2026 has brought powerful no‑VBA alternatives . For instance, there is now a minimal GPT model implemented entirely in Excel formulas —no VBA, no external dependencies. It unrolls the attention loop, computes queries, keys, and values for each token, and generates plausible output, all within spreadsheet cells. This shows that modern Excel is capable of far more than most people imagine.

Building a neural network in MS Excel is a new and innovative approach to data analysis. By leveraging Excel's built-in functions and tools, you can create and train a neural network without needing to use specialized software or programming languages. In a separate section of your sheet (e

Set a Learning Rate ( Alpha ) in cell R2 (e.g., 0.1 ).

Once XOR works, try: