# Simplified Notation in Examples As you continue learning Bitcoin Script, you'll notice that **educational examples often omit pushdata opcodes** from script notation. Instead of writing: ``` 0x48 0x21 OP_DUP OP_HASH160 0x14 OP_EQUALVERIFY OP_CHECKSIG ``` Examples typically simplify to: ``` OP_DUP OP_HASH160 OP_EQUALVERIFY OP_CHECKSIG ``` #### Why Simplified Notation Works This simplification helps you **focus on the operational logic** without getting distracted by the technical details of how data reaches the stack. When you see `` in an example, you can assume: * The appropriate pushdata opcode is used (based on data length) * Minimal encoding rules are followed * The data is pushed onto the stack correctly #### When Pushdata Details Matter However, pushdata opcodes become important when you're: * **Building actual transactions**: Programming tools need explicit byte sequences * **Analyzing raw transaction data**: You'll see the actual opcodes in hex * **Debugging script execution**: Understanding stack state requires knowing what each byte does * **Optimizing script size**: Choosing data sizes affects pushdata opcodes and fees As you progress to hands-on development, you'll work with complete scripts including all pushdata opcodes. For now, the simplified notation helps you learn the logical flow of script operations. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://hub.bsvblockchain.org/higher-learning/bsv-academy/bsv-opcodes/constant-value-and-pushdata-opcodes/simplified-notation-in-examples.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.