diff --git a/Cargo.lock b/Cargo.lock
index c412e31..d715c25 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -320,11 +320,11 @@ version = "0.1.0"
 dependencies = [
  "bincode",
  "common_macros",
+ "coremem_types",
  "criterion",
  "crossterm",
  "csv",
  "dashmap",
- "decorum",
  "dyn-clone",
  "enum_dispatch",
  "env_logger",
@@ -367,6 +367,14 @@ dependencies = [
  "structopt",
 ]
 
+[[package]]
+name = "coremem_types"
+version = "0.1.0"
+dependencies = [
+ "decorum",
+ "num",
+]
+
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
diff --git a/Cargo.toml b/Cargo.toml
index 1c9fccc..65cefe1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ members = [
     "crates/spirv_backend",
     "crates/spirv_backend_builder",
     "crates/spirv_backend_runner",
+    "crates/types",
     "crates/post",
 
     "crates/applications/buffer_proto5",
diff --git a/crates/coremem/Cargo.toml b/crates/coremem/Cargo.toml
index 7c001bb..16d3223 100644
--- a/crates/coremem/Cargo.toml
+++ b/crates/coremem/Cargo.toml
@@ -15,7 +15,6 @@ common_macros = "0.1"  # MIT or Apache 2.0
 crossterm = "0.24"  # MIT
 csv = "1.1"  # MIT or Unlicense
 dashmap = "5.3"  # MIT
-decorum = "0.3"  # MIT
 dyn-clone = "1.0"  # MIT or Apache 2.0
 enum_dispatch = "0.3"  # MIT or Apache 2.0
 env_logger = "0.9"  # MIT or Apache 2.0
@@ -48,6 +47,7 @@ spirv-std = { git = "https://github.com/EmbarkStudios/rust-gpu" }
 spirv-std-macros = { git = "https://github.com/EmbarkStudios/rust-gpu" }
 spirv_backend = { path = "../spirv_backend" }
 spirv_backend_runner = { path = "../spirv_backend_runner" }
+coremem_types = { path = "../types" }
 
 
 [dev-dependencies]
diff --git a/crates/coremem/src/lib.rs b/crates/coremem/src/lib.rs
index 78f0ed6..a030317 100644
--- a/crates/coremem/src/lib.rs
+++ b/crates/coremem/src/lib.rs
@@ -11,7 +11,6 @@ pub mod driver;
 pub mod geom;
 pub mod mat;
 pub mod meas;
-pub mod real;
 pub mod render;
 pub mod sim;
 pub mod stim;
@@ -20,6 +19,7 @@ pub mod util;
 pub use driver::*;
 pub use mat::*;
 pub use sim::*;
+pub use coremem_types::real;
 
 // Some things to keep in mind:
 // B = mu_r*H + M
diff --git a/crates/coremem/src/render.rs b/crates/coremem/src/render.rs
index 0df03f7..c4177e7 100644
--- a/crates/coremem/src/render.rs
+++ b/crates/coremem/src/render.rs
@@ -6,7 +6,7 @@ use crossterm::{cursor, QueueableCommand as _};
 use crossterm::style::{style, Color, PrintStyledContent, Stylize as _};
 use font8x8::{BASIC_FONTS, GREEK_FONTS, UnicodeFonts as _};
 use log::trace;
-use num::integer::Integer;
+use num::integer::Integer;  // TODO: remove?
 use image::{RgbImage, Rgb};
 use imageproc::{pixelops, drawing};
 use rayon::prelude::*;
diff --git a/crates/types/Cargo.toml b/crates/types/Cargo.toml
new file mode 100644
index 0000000..c4cccf6
--- /dev/null
+++ b/crates/types/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "coremem_types"
+version = "0.1.0"
+authors = ["Colin <colin@uninsane.org>"]
+edition = "2021"
+
+[dependencies]
+num = "0.4"  # MIT or Apache 2.0
+decorum = "0.3"  # MIT
diff --git a/crates/types/src/lib.rs b/crates/types/src/lib.rs
new file mode 100644
index 0000000..69d116d
--- /dev/null
+++ b/crates/types/src/lib.rs
@@ -0,0 +1 @@
+pub mod real;
diff --git a/crates/coremem/src/real.rs b/crates/types/src/real.rs
similarity index 100%
rename from crates/coremem/src/real.rs
rename to crates/types/src/real.rs