why is there no b or e sharp? This explanation I offer, is a basic and easier way to understand why there is no b or e sharp, there are more technical suggestions and some are really complex and in addition, mentions about mathematical relationships and steps between certain notes as you may see here….
More reading:
Why-is-there-no-E-sharp-Is-F-actually-E-sharp-frequency-wise
Why do B sharp and E sharp not exist on the musical scale?
Hope though that my explanation makes easier reading and things a little more simpler!